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Start learning 50% faster. Sign in now(3 × 7) + (9 × 2) = 21 + 18 = 39 (7 × 2) + (4 × 2) = 14 + 8 = 22 Similarly, (2 × 9) + (5 × 8) = 18 + 40 = 58
Which among the following nuclei is more stable based on neutron-to-proton ratio?
What type of lens is used to correct myopia (nearsightedness)?
Planck’s constant has dimensions equivalent to which of the following?
What is the work done when a force of 10 N moves an object by 5 m in the direction of the force?
A Zener diode differs from a regular diode in that:
A stream of water flowing horizontally with a speed of 20 m/s pushes out of a tube of cross-sectional area 10-1m2 and hits at a v...
Half-life of a radioactive substance is 10 days. The time after which only 1/16th of it remains is:
Which instrument is used to measure electric current?
A transformer works on which principle?
Clear nights are colder than cloudy nights because of –
